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Modern JavaScript (ES6+) for Beginners

A focused beginner course on modern JavaScript (ES6 and above): let/const, arrow functions, destructuring, spread/rest, array methods, Promises, async/await, and modules. Every lesson includes plain-English explanations, copy-paste examples, and real-world scenarios from web apps, APIs, and e-commerce — designed for classroom teaching before Node.js or React.

Prerequisites: Basic HTML, Very basic JavaScript (variables, if, loops)

12 lessons 10 views Beginner Free

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Modern JavaScript (ES6+) for Beginners tutorial

Course contents

Part 1 — Modern Basics

1 Introduction — Why ES6+ Before Node.js & React 5 min 2 let, const & Block Scope 5 min 3 Arrow Functions Explained 5 min

Part 2 — Write Less Code

4 Template Literals & Modern Strings 5 min 5 Destructuring — Arrays & Objects 5 min 6 Spread & Rest Operators (...) 5 min

Part 3 — Data & Collections

7 Default Parameters & Object Shorthand 5 min 8 Array Methods — map, filter, find & reduce 5 min 9 for...of, Sets & Maps Essentials 5 min

Part 4 — Async & Modules

10 Promises — then, catch & finally 5 min 11 async/await & Fetch API 5 min 12 Modules — import/export & What to Learn Next 5 min

How this course is organized

Each lesson includes overview, steps, code, and interview tips
Use the sidebar on lesson pages to navigate
Content is original to Toolliyo—not copied from other sites

Begin first lesson Interview Q&A

Course quizzes

React.js — Practice Quiz Node.js — Practice Quiz MERN Stack — Practice Quiz

Test your knowledge

Quizzes linked to this course—pass to earn certificates.

React.js — Practice Quiz

Test your understanding of React.js Tutorial. Components, hooks, state, and modern React p…

Intermediate 15 min

Node.js — Practice Quiz

Test your understanding of Node.js Tutorial. JavaScript on the server with Express and API…

Intermediate 15 min

MERN Stack — Practice Quiz

Test your understanding of MERN Stack Tutorial. MongoDB, Express, React, and Node.js full-…

Intermediate 15 min

MEAN Stack — Practice Quiz

Test your understanding of MEAN Stack Tutorial. MongoDB, Express, Angular, and Node.js end…

Intermediate 15 min

jQuery — Practice Quiz

Test your understanding of jQuery Tutorial. DOM manipulation and AJAX with jQuery.

Intermediate 15 min

JavaScript — Practice Quiz

Test your understanding of JavaScript Tutorial. ES6+, DOM, async JavaScript, and modern br…

Intermediate 15 min

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